PLAYER PAGE
Jc Van Jaarsveldt
1110310870Mangaung (FMB)Personal
Main rating
| Rating | 1528.9 |
| K-factor | 32 |
| Floor | 1028.9 |
| Highest | 1528.9 (2026-08-01) |
| Min/Max +/- allowed | 104 |
| Rating Change () | |
| Games | 4 |
| Score | 2 |
| We | 2.29 |
| SWe | -0.24 |
| Temp +/- | -7.7 |
| Penalties | 0 |
| Weight perform | 1472.1 |
| Final +/- | -7.7 |
| New Rating () | |
| Rating | 1521.2 |
| K-factor | 32 |
| Floor | 1028.9 |
| Highest | 1528.9 (2026-08-01) |
| Min/Max +/- allowed | 103.8 |
Standard rating
| Rating | 1523.8 |
| K-factor | 32 |
| Floor | 1023.8 |
| Highest | 1523.8 (2026-08-01) |
| Min/Max +/- allowed | 104.5 |
| Rating Change () | |
| Games | 4 |
| Score | 2 |
| We | 2.27 |
| SWe | -0.27 |
| Temp +/- | -8.8 |
| Penalties | 0 |
| Weight perform | 1472.1 |
| Final +/- | -8.8 |
| New Rating () | |
| Rating | 1515 |
| K-factor | 32 |
| Floor | 1023.8 |
| Highest | 1523.8 (2026-08-01) |
| Min/Max +/- allowed | 104.5 |
Rapid rating
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-09-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1200 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-09-01) |
| Min/Max +/- allowed | 165.8 |
Blitz rating
| Rating | 1191.9 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-09-01) |
| Min/Max +/- allowed | 165.8 |
| Rating Change () | |
| Games | 0 |
| Score | 0 |
| We | 0 |
| SWe | 0 |
| Temp +/- | 0 |
| Penalties | 0 |
| Weight perform | 0 |
| Final +/- | 0 |
| New Rating () | |
| Rating | 1191.9 |
| K-factor | 36 |
| Floor | 700 |
| Highest | 1200 (2024-09-01) |
| Min/Max +/- allowed | 165.8 |
Rating Graph
Tournaments
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | 12th Piet van Zyl Chess Festival 2026 (A) | Standard | 2026-10-09 | 2026-10-10 | Mangaung (FMB) | 5 | 1528.9 | 4 | 2 | 1400.4 | -7.7 | Details |
| # | Tournament | Type | Start | End | Host | Rounds | Rating | Games | Score | Perform | Rat+/- | Details |
| 1 | Free State Closed 2026 (U16) | Standard | 2026-07-25 | 2026-07-25 | Mangaung (FMB) | 5 | 1457.9 | 5 | 3.5 | 1543.2 | 12.4 | Details |
| 2 | Mangaung Metro Chess 5-6 June 2026 (B) | Standard | 2026-06-05 | 2026-06-06 | Mangaung (FMB) | 5 | 1317.7 | 5 | 4.5 | 1636.3 | 55.4 | Details |
| 3 | Inter Regional Chess Championship 2026 (Individual U16) | Standard | 2026-05-22 | 2026-05-23 | Mangaung (FMB) | 5 | 1282.9 | 4 | 3 | 1527.8 | 34.8 | Details |
| 4 | Mangaung Metro Chess 10-11 April 2026 (B) | Standard | 2026-04-10 | 2026-04-11 | Mangaung (FMB) | 5 | 1222.8 | 5 | 4 | 1554.4 | 60.1 | Details |
| 5 | Grey College Team Championship 2026 (B) | Standard | 2026-02-20 | 2026-02-21 | Mangaung (FMB) | 5 | 1199.8 | 5 | 3 | 1336.9 | 12.8 | Details |
| 6 | Grey College Team Championship 2025 (B) | Standard | 2025-02-21 | 2025-02-22 | Mangaung (FMB) | 5 | 1199.8 | 0 | 0 | 0 | 0 | Details |
| 7 | Smart Chess Blitz 2024 (B) | Blitz | 2024-09-07 | 2024-09-07 | Mangaung (FMB) | 7 | 1200 | 7 | 3 | 1183.4 | -0.3 | Details |
Game statistics ( )
| Games | 4 |
| Wins | 2 |
| Draws | 0 |
| Losses | 2 |
| White | 2 |
| Black | 2 |
| White wins | 1 |
| Black wins | 1 |
| Score | 2 |
| Percent | 50 |
| Dp | 0 |
| AOR | 1400.4 |
| Performance | 1400.4 |
Game statistics ()
| Games | 28 |
| Wins | 18 |
| Draws | 4 |
| Losses | 6 |
| White | 15 |
| Black | 13 |
| White wins | 9 |
| Black wins | 9 |
| Score | 20 |
| Percent | 71.4 |
| Dp | 182.1 |
| AOR | 1320.3 |
| Performance | 1502.4 |
Game statistics (History)
| Games | 35 |
| Wins | 21 |
| Draws | 4 |
| Losses | 10 |
| White | 18 |
| Black | 17 |
| White wins | 10 |
| Black wins | 11 |
| Score | 23 |
| Percent | 65.7 |
| Dp | 133.6 |
| AOR | 1305 |
| Performance | 1438.6 |
Rankings (Main)
| National | |
| Overall | 1683 |
| Gender | 1503 |
| Age group | 187 |
| Gender/Age | 154 |
| Provincial | |
| Overall | 36 |
| Gender | 35 |
| Age group | 2 |
| Gender/Age | 2 |
| Regional | |
| Overall | 23 |
| Gender | 23 |
| Age group | 2 |
| Gender/Age | 2 |
Rankings (Standard)
| National | |
| Overall | 1557 |
| Gender | 1370 |
| Age group | 181 |
| Gender/Age | 149 |
| Provincial | |
| Overall | 31 |
| Gender | 30 |
| Age group | 1 |
| Gender/Age | 1 |
| Regional | |
| Overall | 19 |
| Gender | 19 |
| Age group | 1 |
| Gender/Age | 1 |
Rankings (Rapid)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Rankings (Blitz)
| National | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Provincial | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
| Regional | |
| Overall | -1 |
| Gender | -1 |
| Age group | -1 |
| Gender/Age | -1 |
Performance ( )
| Games | 4 |
| Score | 2 |
| Percent | 50 |
| Aor | 1400.4 |
| Dp | 0 |
| Prat | 1400.4 |
Performance ()
| Games | 28 |
| Score | 20 |
| Percent | 71.4 |
| Aor | 1320.3 |
| Dp | 182.1 |
| Prat | 1502.4 |
Performance (12 months)
| Games | 28 |
| Score | 20 |
| Percent | 71.4 |
| Aor | 1320.3 |
| Dp | 182.1 |
| Prat | 1502.4 |
Performance (History)
| Games | 35 |
| Score | 23 |
| Percent | 65.7 |
| Aor | 1305 |
| Dp | 133.6 |
| Prat | 1438.6 |
Top 5 opponents most often played
| Type | # | Opponent | Games | White | Black | First tournament | Last tournament | Details |
| Overall | 1 | Naudé, B (Blake William) | 2 | 1 | 1 | Mangaung Metro Chess 10-11 April 2026 (B) | Free State Closed 2026 (U16) | Details |
| Overall | 2 | Du Toit, C (Calem) | 2 | 1 | 1 | Mangaung Metro Chess 10-11 April 2026 (B) | Free State Closed 2026 (U16) | Details |
| Standard | 1 | Naudé, B (Blake William) | 2 | 1 | 1 | Mangaung Metro Chess 10-11 April 2026 (B) | Free State Closed 2026 (U16) | Details |
| Standard | 2 | Du Toit, C (Calem) | 2 | 1 | 1 | Mangaung Metro Chess 10-11 April 2026 (B) | Free State Closed 2026 (U16) | Details |